The ifPresentOrElse(java.util.function.DoubleConsumer) method helps us to perform the specified DoubleConsumer action the value of this OptionalDouble object. If a value is not present in this OptionalDouble, then this method does nothing.
public void ifPresentOrElse(DoubleConsumer action)
Parameters: This method accepts a parameter action which is the action to be performed on this Optional, if a value is present.
Return value: This method returns nothing.
Exception: This method throw NullPodoubleerException if a value is present and the given action is null.
Below programs illustrate ifPresent(DoubleConsumer) method:
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